Patents Assigned to ARM Ltd.
  • Patent number: 9979385
    Abstract: A monitoring circuit for a CES element is provided. The circuit includes a control circuit and an output circuit. The control circuit is configured to vary a control signal provided to the CES element. The control signal may be varied for determining an impedance state of the CES element. The output circuit provided an output signal in dependence on the determined impedance state of the CES element.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: May 22, 2018
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, Robert Aitken, George Lattimore
  • Patent number: 9972388
    Abstract: Disclosed are methods, systems and devices for powering up devices including non-volatile memory elements in an array of non-volatile memory elements. In one aspect, during a sequence for powering up an integrated device, non-volatile memory elements may be isolated from voltage supplies to avoid in advertent changes of memory states stored in the non-volatile memory elements.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 15, 2018
    Assignee: ARM Ltd.
    Inventors: Shidhartha Das, Piyush Agarwal, Akshay Kumar, Azeez Jennudin Bhavnagarwala
  • Patent number: 9966138
    Abstract: According to an embodiment of the present disclosure, a device and a method are provided. The device includes one or more resistive random access memory (ReRAM) elements. The device further includes a random number generator configured to generate a random number in dependence on impedance values of the one or more ReRAM elements.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: May 8, 2018
    Assignee: ARM Ltd.
    Inventors: Lucian Shifren, Robert Campbell Aitken
  • Patent number: 9947402
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a correlated electron switch (CES) device may be placed in any one of multiple memory states in a write operation. Limiting current between terminals of the non-volatile memory device during read operations may enable use of higher voltages for higher realized gain. Additionally, bipolar write operations for set and reset may enable an increased write window and enhanced durability for a CES device.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 17, 2018
    Assignee: ARM Ltd.
    Inventors: Azeez Jennudin Bhavnagarwala, Vivek Asthana, Piyush Agarwal, Akshay Kumar, Lucian Shifren
  • Patent number: 9916895
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a non-volatile memory device may be placed in any one of multiple memory states in a write operation by controlling a current and a voltage applied to terminals of the non-volatile memory device. For example, a write operation may apply a programming signal across terminals of non-volatile memory device having a particular current and a particular voltage for placing the non-volatile memory device in a particular memory state.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: March 13, 2018
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, Cezary Pietrzyk, George McNeil Lattimore
  • Patent number: 9912334
    Abstract: According to one embodiment of the present disclosure, a circuit includes a Correlated Electron Switch (CES) element and a programming circuit. The CES element includes a first input. The first input of the CES element is coupled to an input signal to be monitored. The CES element is programmed in a first impedance state. The programming circuit coupled to the CES element is configured to switch the CES element from the first impedance state to a second impedance state in response to a voltage transition on the input signal. The voltage transition indicates a fault event. The output element coupled to the first input of the CES element determines that the transition has occurred responsive to the CES element switching to the second impedance state.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: March 6, 2018
    Assignee: ARM Ltd.
    Inventors: Shidhartha Das, Anand Savanth, David Bull
  • Patent number: 9905295
    Abstract: A configurable impeder is provided. The configurable impeder comprises of multiple CESs. Each of the CESs is capable of being configured into one of a plurality of impedance states. Further, a programing circuit is provided. The programing circuit provides a plurality of programing signals in dependence of an input signal. Each programing signal configures an impedance state of a respective CES from the plurality of CESs.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: February 27, 2018
    Assignee: ARM Ltd.
    Inventors: Azeez Jennudin Bhavnagarwala, Vikas Chandra, Brian Tracy Cline
  • Patent number: 9899083
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a read operation or a particular write operation may be performed on a correlated electron switch (CES) device by coupling a terminal of the CES device to a particular node through any one of multiple different resistive paths.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: February 20, 2018
    Assignee: ARM Ltd.
    Inventor: Glen Arnold Rosendale
  • Patent number: 9875815
    Abstract: An integrated circuit is provided for self-repair of a memory array. The circuit includes first word lines coupled to first memory rows of the memory array, one first word line for each bit of a line address word, second word lines coupled to one or more spare memory rows of the memory array. Repair configuration data is stored in memory cells within the integrated circuit to direct memory accesses to spare memory rows rather than dysfunctional first memory rows. A memory cell may be based on a correlated electron switch (CES). A built-in self-test circuit is provided to facilitate setting of repair configuration data. The repair data may be reconfigurable, enabling operating margins to be improved by testing under various operating conditions.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: January 23, 2018
    Assignee: ARM LTD
    Inventors: Mudit Bhargava, Joel Thornton Irby
  • Patent number: 9871528
    Abstract: Subject matter disclosed herein may relate to correlated electron switch devices, and may relate more particularly to digital to analog conversion using correlated electron switch devices ces.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: January 16, 2018
    Assignee: ARM Ltd.
    Inventors: Akshay Kumar, Piyush Agarwal, Bal S. Sandhu, Glen Arnold Rosendale
  • Patent number: 9866159
    Abstract: Electric motors may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction are proposed, such as using signals from one or more sensors. A method and apparatus for controlling stator tooth activation based, at least in part, on corrections and offsets is also disclosed.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: January 9, 2018
    Assignee: ARM Ltd.
    Inventor: David Victor Pietromonaco
  • Publication number: 20180006738
    Abstract: Methods and various structures provide for loopback tuning, testing, and calibrating of a transceiver, including: supplying RF drive to both a transmitter and a receiver of the transceiver from one oscillator; applying a modulation waveform to a transceiver block of the transceiver to produce an amplitude-modulated signal; converting a sideband of the amplitude-modulated signal to a baseband signal having a frequency suitable for processing by a receiver digital block, where processing the baseband signal produces a digital output; and performing tuning, testing, and calibrating of the transceiver block, based at least in part on the digital output.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 4, 2018
    Applicant: ARM LTD
    Inventors: Anthony Kresimir STAMPALIA, Mario LAFUENTE
  • Patent number: 9851738
    Abstract: Subject matter disclosed herein may relate to generation of programmable voltage references.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: December 26, 2017
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, George McNeil Lattimore, Robert Campbell Aitken
  • Publication number: 20170357597
    Abstract: There is described a storage controller, the storage controller having an array of entries, each entry associated with a partition of one or more partitions, wherein the controller comprises logic configured to identify a partition identifier of an entry and apply a policy to the entry based on or in response to the partition identifier.
    Type: Application
    Filed: May 25, 2017
    Publication date: December 14, 2017
    Applicant: ARM LTD
    Inventor: Andrew David TUNE
  • Patent number: 9805777
    Abstract: Broadly speaking, embodiments of the present techniques provide an amplification circuit comprising a sense amplifier and at least one Correlated Electron Switch (CES) configured to provide a signal to the sense amplifier. The sense amplifier outputs an amplified version of the input signal depending on the signal provided by the CES element. The signal provided by the CES element depends on the state of the CES material. The CES element provides a stable impedance to the sense amplifier, which may improve the reliability of reading data from the bit line, and reduce the number of errors introduced during the reading.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: October 31, 2017
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, Cezary Pietrzyk, Robert Campbell Aitken, George McNeil Lattimore
  • Patent number: 9792984
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a correlated electron switch (CES) device may be placed in any one of multiple memory states in a write operation. Limiting current between terminals of the non-volatile memory device during read operations may enable use of higher voltages for higher realized gain.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: October 17, 2017
    Assignee: ARM Ltd.
    Inventors: Azeez Jennudin Bhavnagarwala, Piyush Agarwal, Akshay Kumar
  • Patent number: 9792982
    Abstract: Disclosed are methods, systems and devices for generation of a read signal to be applied across a load for use in detecting a current impedance state of the load. In one implementation, a voltage and current of a generated read signal may be controlled so as to maintain a current impedance state of the load.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 17, 2017
    Assignee: ARM Ltd.
    Inventor: Bal S. Sandhu
  • Patent number: 9786370
    Abstract: According to one embodiment of the present disclosure, a device comprises a latching circuitry, where the latching circuitry comprises at least one correlated electron random access memory (CeRAM) element. The latching circuitry further comprises a control circuit coupled to the at least one CeRAM element. The control circuit is configured to receive at least one control signal. Based on the at least one control signal, perform at least one of storing data into the latching circuitry and outputting data from the latching circuitry.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: October 10, 2017
    Assignee: ARM Ltd.
    Inventors: Robert Campbell Aitken, Vikas Chandra, Bal S. Sandhu, George McNeil Lattimore, Shidhartha Das, John Philip Biggs, Parameshwarappa Anand Kumar Savanth, James Edward Myers
  • Patent number: 9773550
    Abstract: A configurable impeder is provided. The configurable impeder comprises of multiple CESs. Each of the CESs is capable of being configured into one of a plurality of impedance states. Further, a programing circuit is provided. The programing circuit provides a plurality of programing signals in dependence of an input signal. Each programing signal configures an impedance state of a respective CES from the plurality of CESs.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 26, 2017
    Assignee: ARM Ltd.
    Inventors: Azeez Jennudin Bhavnagarwala, Vikas Chandra, Brian Tracy Cline
  • Patent number: 9755146
    Abstract: Subject matter disclosed herein may relate to correlated electron switches that are capable of asymmetric set or reset operations.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: September 5, 2017
    Assignee: ARM, Ltd.
    Inventors: Lucian Shifren, Greg Yeric